News

  1. Health & Medicine

    Half of adult males carry HPV

    Human papillomavirus, a sexually transmitted pathogen that can cause cancer, shows up often in men and lingers for months, a study shows.

    By Nathan Seppa
  2. Earth

    PCBs may impair fertility

    A study of women undergoing in vitro fertilization finds reduced embryo implantation among women with higher levels of one type of the banned chemicals.

    By Janet Raloff
  3. Chemistry

    Diamond cousin proposed

    Researchers predict a new form of carbon that could, if made, have industrial uses.

    By Devin Powell
  4. Health & Medicine

    How brains guesstimate

    Experiments show how the human mind lowballs moving objects’ speed when information is lacking.